Using headerspace analysis to identify unneeded distributed firewall rules
US10044676B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2015 |
| Grant date | Aug 7, 2018 |
| Priority date | — |
| Expiry date | Sep 8, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/0263
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Some embodiments provide a method for identifying unnecessary firewall rules for a distributed firewall of a logical network. The method identifies a firewall policy for network traffic of the logical network. The firewall policy includes a set of firewall rules. The method generates a set of data for implementing the firewall policy on a set of managed forwarding elements that implement the logical network. The method analyzes potential network traffic based on the generated set of data to identify a subset of unnecessary data. The method identifies a subset of unnecessary firewall rules of the set of firewall rules that corresponds to the subset of unnecessary data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.